Analysis
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max time kernel
105s -
max time network
124s -
platform
windows10_x64 -
resource
win10 -
submitted
07-07-2020 12:44
Static task
static1
Behavioral task
behavioral1
Sample
tracking number.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
tracking number.exe
Resource
win10
General
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Target
tracking number.exe
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Size
552KB
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MD5
671076c208613fd6f01cf6ccf7df4938
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SHA1
0178cadce3a9c5efd3d074633c721c074b1a5d68
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SHA256
49699637f42a119d77bbf9a3e672ecdae9c7c6b1443a54abae0ff10494d66eb3
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SHA512
af981c59a656434d28456af4dacc9fd2557d0bc78c634f72e6372f0a067b00ec0b91b737e2cd8323da585ede13c81702981a139c88711973bab83262754de7d4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
jbLeoAz1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3792-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/3792-1-0x000000000044708E-mapping.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
tracking number.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" tracking number.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tracking number.exedescription pid process target process PID 2920 set thread context of 3792 2920 tracking number.exe tracking number.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
tracking number.exetracking number.exepid process 2920 tracking number.exe 3792 tracking number.exe 3792 tracking number.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
tracking number.exepid process 3792 tracking number.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tracking number.exetracking number.exedescription pid process Token: SeDebugPrivilege 2920 tracking number.exe Token: SeDebugPrivilege 3792 tracking number.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
tracking number.exepid process 3792 tracking number.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
tracking number.exedescription pid process target process PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe PID 2920 wrote to memory of 3792 2920 tracking number.exe tracking number.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tracking number.exe"C:\Users\Admin\AppData\Local\Temp\tracking number.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tracking number.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\tracking number.exe.logMD5
3753b01eddc20f64178eaf3d55b5c146
SHA1ca50665940eb8519e1df0c1f185fb72a271c2a66
SHA25699096651b1d9b4a7562f56c8e42c06d1166f7f22a93816e2862317ada8154b37
SHA512566366e651e94fab25454fb0199508cd62a64723137b32fbd5bee531110403d9194b9a4fc053740c571a69e820c1c72e48d65fc3a5410a22b6ae9d2e55508bf3
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memory/3792-0-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/3792-1-0x000000000044708E-mapping.dmp